Pakole ZENIT 70+ User manual
EN
www.pakole.com
Zenit70_009_004-006_011_210601_V004_EN
Appliance types:
ZENIT 70+12...48 kW
PROPANE OR NATURAL GAS-FIRED
ZENIT TUBE RADIANT HEATER
ZENIT 70+TYPE TUBE RADIANT HEATER Contents
Contents
1. ����������������������������������������������������������������������������������������������3
2. ��������������������������������������������������������������������������������������������4
Installer’s responsibilities .............................................................................................................. 4
Data board .................................................................................................................................... 4
Corrosive materials ....................................................................................................................... 5
Standards and laws ...................................................................................................................... 5
Safety signs .................................................................................................................................. 5
Safe usage.................................................................................................................................... 5
3. �������������������������������������������������������������� 6
4. ���������������������������������������������������������������������������������������������6
5. �����������������������������������������������������������������������������������������������������������7
Components of „I” -form tube radiant heater................................................................................. 7
Components of „U”-form tube radiant heater ................................................................................ 7
Appliance installation .................................................................................................................... 8
Electrical connection ..................................................................................................................... 8
Regulatory options ........................................................................................................................ 9
Electrical connection scheme of HONEYWELL S4965R automatic burner control ...................... 9
Electrical connection scheme of SIT 579 DBC automatic burner control ..................................... 9
Optional accessories................................................................................................................... 10
Control of appliance .................................................................................................................... 11
Protective distances.................................................................................................................... 12
Combustion-air supply .............................................................................................................. 14
6. ������������������������������������������������������������� 15
7. ������������������������������������������������������������������������������������������ 15
8. ������������������������������������������������������������������������������������ 16
Start, restart ................................................................................................................................ 16
Operation of automatic burner control ( HONEYWELL S4965R)................................................ 16
Operation of automatic burner control (SIT 579 DBC)................................................................ 17
9.�������������������������������������������������������������������������������������������������������17
Check at the beginning of season............................................................................................... 17
Maintenances.............................................................................................................................. 17
Maintenance supervisions by a qualified service department..................................................... 18
Gas change................................................................................................................................. 18
10. ����������������������������������������������������������������������������������������������18
11. �����������������������������������������������������������������������������������������������������������19
Enclosure 1.: Variety-list of ZENIT 70+ -type tube radiant heaters ............................................. 19
Enclosure 2.: Heating and consumption values of ZENIT 70+ tube radiant heaters .................. 21
3
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Other standards can give you directions in terms of proper using of natural and propane gas as follows: leading/piping, storing etc.!
Concerning the detailed content of these standards the local Bureau of Standards can help.
Carbon- monoxide poisoning:
and/or nausea! If these symptoms are observed in that case the appliance probably does not work satisfactorily! First of all go fresh air,
ventilate the rooms and have the appliance investigated!
Propane-gas: The propane-gas is odourless! Mercaptan-derivative as scented component is mixed into the gas to be able to observe
the possible escape! In spite of the typical smell is not felt the propane gas can be present in the environmental air in case of escaping!
GENERAL SAFETY NOTICES
case death!
-
-
instructions.
1.
The ZENIT
for heating of industrial rooms! The function of these heater appliances to ensure heating of appointed workplace temporarily or contin-
uously! In case of proper using the appliance guarantees safety and energy-saving operation! The combustion products issued during
4
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
8,6 mbar
Manufacturer
Type
Nominal input:
28 kW
Naturalgas
Pconnecting max.:
20-8676-30150
Series number:
GB
Targeted country:
Category:
I2H, II2H3P
20 mbar
Gas type:
Electrical protection:
Electrical connection:
Max.current entry:
IP21
AC 230V 50Hz
Pconnecting nom.:
Flue system:
Dat e/place of produc tion
15.02.2021
60 mbar
Jet pressure:
NOx
4
Zenit-28/L/70+
PAKOLE Trade Kft.
8000 Székesfehérvár,
Börgöndi út 8-10.
PIN:
0,45 A
1008 CT 3271
2806 20
B23, B53, C13, C33, C53, C83
1. picture: Data board
Make sure that read and understood all the warnings, correct keeping of which can guarantee the safety and faultless operation !
During the installation be always circumspect! Follow the valid instructions and recommendations!
-
ings are prepared as per local standard!
-
tection!
The appliance must not be used in the open air!
The application of device is STRICTLY PROHIBITED in such rooms, which are used for sleep or continuous stay!
and vapours!
In the interests of avoiding of dust explosion do not used the device in such rooms where the degree of dust concentration is high if
the device is installed without outside air supply!
Before starting of appliance in every case check it in order to detect the possible damages! Never use damaged equipment!
In case of Propane-gas operation never install the device in basement or from that lower being rooms! The propan-gas is heavier
Before every starting of heater appliance check the condition of connecting gas hose and if it is particularly worn or damaged in that
Preserve the equipment in genuine condition, do not leave it to grow old!
Do not use seriously aged equipment any longer!
Fix the appliance on such stable surface, which during operation despite warming of appliance preserves its stability !
Never block the air supply and exhaust pipes!
Keep away the children and animals from the equipment!
Never service/mend such devices, which are hot and during operation or electrical charged!
Never mount such air duct unit on front or back side of device, which is not approved by manufacturer!
Use exclusively genuine-approved by manufacturer-spare parts,do not install similar quality spare parts for substitution! These kind
of substitute parts can cause serious damages concerning the operation of appliance!
Fix the appliance on such stable surface, which during operation despite warming of appliance preserves its stability !
Never block the air supply and exhaust pipes!
Keep away the children and animals from the equipment!
Never service/mend such devices, which are hot and during operation or electrical charged!
Never mount such air duct unit on front or back side of device, which is not approved by manufacturer!
Use exclusively genuine-approved by manufacturer-spare parts,do not install similar quality spare parts for substitution! These kind
of substitute parts can cause serious damages concerning the operation of appliance!
Supervisory Authority or Fire-service),
supply of the necessary materials/components for installation(which are not belong to appliance),
planing of air duct systems (ventilation/connections)
service execution,
placing the copy of present manual at owner’s disposal,
The appliance is equipped with data board, which is placed on outside of device’s door. On this data board there are information con-
2.
Installer’s responsibilities
Data board
5
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
air!
The manufacturer can not assume responsibility for fault of equipment in case the installation is not happened according to the above.
ask our colleague for help
-
rosive materials, halo hydrocarbons etc.), and with knowledge of these materials must be planed the heater system!
-
CAUTION
DANGER
CAUTION
ELECTRIC
SUPPLY
CAUTION
DANGEROUS
OPERATION
CAUTION
HIGH
TEMPERATURE
CAUTION
DISCONNECT
POWER LINE
ATTENTION
COMPULSORY:
EARTHING
ATTENTION
THE USAGE OF
MOVING EQUIPMENT
IS COMPULSORY
ATTENTION
COMPULSORY:
USE PROTECTIVE
GLOVES
ATTENTION
ONLY
QUALIFIED
PERSON
ATTENTION
FORBIDDEN !
CAUTION
DANGER
ATTENTION
ONLY
QUALIFIED
PERSON
Installation must be carried out always strictly complying with the current standards of the
country where the appliance is going to be used and following, of course, the instructions
given by the producer.
trained personnel only.
-
ATTENTION
COMPULSORY:
EARTHING
ATTENTION
ONLY
QUALIFIED
PERSON
CAUTION
DANGER
CAUTION
ELECTRIC
SUPPLY
Always make sure that the unit and all its electrical parts have been correct-
ly earthed prior starting up the unit.
CAUTION
DANGER
ATTENTION
ONLY
QUALIFIED
PERSON
ATTENTION
COMPULSORY:
USE PROTECTIVE
GLOVES
If you have to disassemble the unit, use special protective gloves.
Beware of sharp edges inside the unit!
Beware of roof corners of outdoor units!
Keep suction grids always clear!
CAUTION
DANGER
CAUTION
DANGEROUS
OPERATION
ATTENTION
FORBIDDEN !
Before cleaning or maintaining the unit, make sure that all electrical parts
and cannot be inadvertently started prior to opening inspection panels.
in the electric fan.
CAUTION
DANGER
CAUTION
ELECTRIC
SUPPLY
CAUTION
DISCONNECT
POWER LINE
We recommend to install a safety switch which can be easily reached to cut
Before opening the unit, make sure that all electrical parts have been
-
vertently started prior to opening inspection panels.
CAUTION
DANGER
Should the unit work in a house where disabled people and/or children live, it must be placed safely away from their
reach. Always make sure that the access door to the inside control board stay locked.
An incorrect installation can cause damages to people, animals and property. In case of erroneous installation, the man-
ufacturer cannot be held responsible for such damages.
•
Corrosive materials
Standards and laws
Safety signs
Safe usage
ATTENTION
COMPULSORY:
EARTHING
6
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Never use the unit to support other equipment.
Never leave tools, spare parts, etc. inside the unit.
Make sure that all inspection panels are closed properly.
to anyone in any way.
The delivery must be made according to the following:
The package must be carefully secured in the loading space.
The package must be transferred in a closed space (always keep packing parts away environmental impacts).
The unit has a special safety packing for transport and delivery which must be kept in good conditions till the unit is positioned
on the installation place.
Check if there are any damages and if the unit abbreviation is the same as the one of the ordered model.
Every unit is factory tested before shipment, therefore, if there are damages, report them immediately to the carrier.
Transporting, unloading and moving is a process which must be made carefully to avoid any kind of damages. Try not to use the unit’s
CAUTION
DANGER
ATTENTION
THE USAGE OF
MOVING EQUIPMENT
IS COMPULSORY
ATTENTION
FORBIDDEN !
ATTENTION
ONLY
QUALIFIED
PERSON
The appliances will be delivered in card board box. The unpacking process of the appliance:
unload the burner the tubes and the accessories from the card board box.
do not remove the protection cap from the burners gas connection or from the gas joining set (optional) until you do
not connect it to the pipe line�
Check the unit and its accessories for any damages which could be arise during the transportation.
if there are any damages found, report them immediately to the manufacturer or your closest dealer.
There is an envelope inside the unit containing the Instructions for Installation and Servicing, User’s Guide use and Guarantee and
services and the warranty documents.
3.
ATTENTION
FORBIDDEN !
ATTENTION
ONLY
QUALIFIED
PERSON
4.
the made heat to the heated area.
Operation principle: the centrifugal fan of tube radiant heater draws in the combustion-air and pushes out the combustion products -
The variety-list of appliances to be found in the enclosure 1�
The heating and consumption values to be found in the enclosure 2� as per appliance and gas types.
The supply of combustion air of appliance can be realized in two ways:
painting workshops and workshops, which are using explosive or corrosive materials etc.
7
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
2. picture: “I”-form appliance
Components of „I” -form tube radiant heater
Components of „U”-form tube radiant heater
3. picture: “U”- form appliance
5.
Burner
Combined hanger
Radiant tube
Isolation
Spacer plate
Isolation cover
End cap
Lower clip
Burner hanger
Fresh air intake
Electric connector
Gas connector
“U” turn
Combined hanger
Burner
Spacer plate
Lower clip
“U” turn
cover
elements
End cap
Radiant tube
Isolation
Isolation cover
Burner hanger
Fresh air intake
8
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
• SOLELY INTERIOR installation is possible.
• The installation must comply with the valid standards.
•
• The appliance has to be placed in that way that its every part be accessible.
an user.
Appliance installation
CAUTION
DANGER
CAUTION
ELECTRIC
SUPPLY
ATTENTION
COMPULSORY:
EARTHING
Electrical connection
ELECTRICAL CONNECTING SPECIFICATIONS:
The appliance/burner head can be connected to the mains by safety electrical connector (Fig.13) located on the fan side
of appliance head.
L - phase
N - null
- ground
13.picture: Electrical connection
The appliance must be operated under dry circumstances.
At electrical installation of appliance the relevant local standard must be considered.
The appliance is phase-sensitive for this reason the connection always must be according to the Fig.13.
switch must be installed.
Electrical wiring: 3 x 0.75 MT cable
Fuse: 2A dissolving fuse
Before change of dissolving fuse by disconnecting of Hirschmann plug the appliance must be detached from electrical supply.
9
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Electrical connection scheme of SIT 579 DBC automatic burner control
12
11
10
9
8
7
6
5
4
3
2
1
N
T
H
N
F
A
N
A
P
S
L
/
O
N
C
N
1
I
N
T
.
F
U
S
E
14
13
F
L
A
M
E
O
N
N
F
U
S
E
2
A
F
L
6
.
3
X
0
.
8
F
U
N
C
T
I
O
N
A
L
2
,
5
A
SAFETY
ON VALVE
BODY
17. picture: Connection points of SIT 579 DBC automatic burner control box
Work out the electrical network system regarding to the diagram to the was attached to the appliance
16. picture: Connection points of S4965R automatic burner control
Electrical connection scheme of HONEYWELL S4965R automatic burner control
Regulatory options
10
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Recommended temperature controllers for the appliance
(these can be purchased at the appliance manufacturer)
Optional accessories
18.picture: Temperature controllers
FP-1D
2-point regulation thermostat
FP-3D
3-point regulation thermostat
with weekly hour programming
Temperature sensor
FP-4D
2-point regulation thermostat
with weekly hour programming
FP-MOD
Modulated regulation thermostat
with weekly hour programming
11
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
The ZENIT tube radiant heater can be controlled manually or automatically.
box Individually, at each appliances separately.
the electrical input of its according to the requested heat sensation. This temperature regulator – temperature regulator + temperature
sensor - can be programmable or simple one. The automatic control can be:
Traditional (2-point) regulation with Honeywell S4965R or SIT 579 DBC electronics,
Modulated with SIT 579 DBC electronics and 845SIGMA solenoid valve.
-
if this power is enough for keeping of temperature then it stayed in this mode. If this input is still big for the heating, then the thermostat
100% This kind of regulation makes it possible that the needed sensation of temperature be continuously served during an economical
operation.
That the reduced input can be 50% or 60%,it depend on the length of pipes and the temperature of exiting combustion products in
every case.
Type of temperature controller: so called 3-point control thermostat.
Control of appliance
Additional items inside the unit:
VK4125C magnetic coil
The appliance will start always on maximum capacity. At this time the heater will receive all two phase and the neutral from the temper-
ature controller. The phase which will pass that tension to the additional VK4125C magnetic coil, through this the coil will concede the
coil will not give out any signal so the coil will set a minimum pressure on the magnetic valve.
The power supply system must be carried out from 4x0.75 MT cables.
(100%) performance. Is the control of appliance by the thermostat which can sense the room temperature. The thermostat can control
the black tube radiant heater according to needed set up temperature. (The detailed manual of thermostat can be found supplied with
thermostat) When the thermostat send a sign than the heater starts with maximum performance (this time is minimum 30 sec) The ap-
control begin degrease the performance of appliance without any stage continuously to 50% of performance where the control keeps it
-
mostat can be: only use capable type of control which can handle the modulation control.(e.g.: FP-MOD type by distributor)
12
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
and distances!
Protective distances
21.picture: Fire-protection distances
20.picture: Explanation of heat-radiated area
Power Protective distances
A B C
12–14 kW 0.12 m 1.1 m 0.3 m
16–20 kW 0.12 m 1.3 m 0.6 m
22–28 kW 0.15 m 1.5 m 0.8 m
30–36 kW 0.15 m 1.6 m 0.8 m
38–44 kW 0.18 m 1.6 m 1.0 m
46–52 kW 0.18 m 1.8 m 1.0 m
54–58 kW 0.18 m 2.0 m 1.2 m
13
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
After determining the number and exact position of appliances and hangers,you have to provide for hanging them at a minimum of 400
mm (hanging chains for example). This is necessary, so it does not hinder the length change, which increases during thermal expansion,
wall. The suspension of appliances have to be executed by hanger located on the fan side of burner and combination brackets.
Tube
location
Minimum installation height for input power
10 kW 15 kW 20 kW 25 kW 30 kW 35 kW 40 kW 45 kW 50 kW 55 kW 60 kW
„U”
form
Horizontal 3.4 m 3.7 m 4.0 m 4.2 m 4.4 m 4.6 m 4.9 m 5.2 m 5.4 m 5.7 m 5.9 m
30° 3.0 m 3.2 m 3.4 m 3.7 m 3.9 m 4.1 m 4.3 m 4.6 m 4.8 m 5.0 m 5.3 m
Horizontal 3.2 m 3.5 m 3.7 m 4.0 m 4.2 m 4.5 m 4.7 m 5.0 m 5.2 m 5.4 m 5.6 m
30° 2.7 m 3.0 m 3.2 m 3.4 m 3.6 m 3.9 m 4.1 m 4.3 m 4.5 m 4.7 m 4.9 m
21. picture: The installation must be completely horizontal!
0°
other due to thermal expansion and if they get stuck on each other they will push the cover and pipe system apart.
14
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Combustion air may be drawn in from more spaces:
from inside (heated) space,
from outside, in case outside combustion-air system is connected to the fan.
The combustion air must not drawn in from internal space in the following cases:
if the heated building is under lower pressure than the outside,
pipe system.
Tube length for combustion-air supply:
6 meter with one elbow from 100 mm diameter tube,
15 meter with two elbows from 150 mm diameter tube.
When two appliances are controlled by one thermostat in that case a common combustion-air supply can be used. The common duct of
Combustion-air supply
26.picture: Outside combustion-air supply
Inhale opening
Outside cover
plate
Flexible pipe
Tube radiant heater
15
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Exhaust arrangements of combustion products
Flue channel to the outside of building at each appliance
Flue pipe is not allowed to have a low point, it must be made of Ø100mm stainless steel or aluminium. The minimum ascent of ue
piping must be 2cm/m≈1°
Type of the exhaust system:
The length of exhaust system:
The length of the exhaust system depend on the allowed maximal length and the used length of the appliance. The total length of ex-
installation – plus 6 m.
L :Total length of exhaust system
Lmax
Lused :The used length of appliance (at the installation)
L = LMAX - Lused + 6 [m]
The total length of exhaust system can be completed with 1 piece 90° elbow without any correction�
6.
Correction 1 piece 90° elbow = 1 m exhaust tube (combustion products leading tube)
The exit module of exhaust system must be at least higher than 1 m from openings(sucking hole of vent etc.) of force-assisted ventilation
systems. The bottom side of exit opening must be minimum from 30 cm any kind of frontal wall-protruding.
Clean duct system of gas supply from any contamination.
Check the presence and suitability of pressure regulator located centrally or before every appliance.( the pressure regulator
is needed if the gas supply pressure is higher than 60mbar,in this way the capacity of pressure regulator can be max.60m-
bar)
Make sure of protective ground of appliance.
Check the proper electrical connection of temperature regulator.
Open the gas supply valve.
Check the gas pressure on the inlet side of solenoid valve.(the maximum allowed pressure is 60mbar).
Connect the mains voltage to the appliance (by temperature regulator or central stage main-switch).
At Natural gas – depending on output: 8.6, 9.5 or 10 mbar
At „S” gas – depending on output: 8.6, 10, 11, 11.8, or 12.5 mbar
At Propane and butane: 24.9 mbar
7.
16
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Following the switched on voltage the fan operates continuously assuring the 30 seconds pre-purge time. This time period ensures the
three times air change of combustion volume in case of biggest appliance’s power.
electrode – the appliance operates and the green control lamp is lighting. During operation of appliance its automatic burner control con-
then it stops the gas supply of burner and the appliance gets into error position and red control lamp is lighting placed on the bottom side
of appliance.
8.
Start, restart
Operation of automatic burner control ( HONEYWELL S4965R)
maximum two times�
position and red control lamp is lighting.
In case during burning process the pressure decreases under the permissible minimal
value on the positive side of air pressure(from the fan side),then automation prohibits:
- gas supply and fan stops
The appliance stands into error position and red control lamp is lighting.
In case during burning process the pressure increases above the permissible maximum value on the negative side of air pressure switch
(from the burner tube side, eg. at combustion back),then it switches back to rest position and the automation prohibits.
- gas supply and fan stops
The appliance stands into error position and red control lamp is lighting.
.
36. picture: Input and output gas pressure checking connections in case of HONEYWELL solenoid valve
Outlet pressure test point Inlet pressure test point
37.picture: Input and output gas pressure checking connections in case of SIT solenoid valve
Inlet pressure test point
Outlet pressure test point
17
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
Operation of automatic burner control (SIT 579 DBC)
Carry out starting test and check the regular operation of appliance.
Checking of the regular operation.
seconds,then turn on the gas valve once more, the appliance starts the operation again..
-
tial pressure switch switches over to OFF position from ON. The automation closes the solenoid valve and the appliance stops
and red control lamp is lighting.
Remove the closing of tube and reset the original condition. Start the appliance again by interruption then reconnecting of
mains voltage.
Check at the beginning of season
9.
The ZENIT -type tube radiant heater appliance apart from the supervision and cleaning of radiant tubes (see: Maintenance supervi-
sion by the customer), do not need extra maintenances but to be able to preserve the SAFETY OPERATION and LONG LIFETIME of
Maintenances
Maintenance supervisions by the customer
a) Supervision and cleaning of heat radiant tubes.
Clean the external surface of tubes from any dust by a brush and make sure that there is not any burnout or warping.
b) Check connection and sealing of burner tube and heat radiant tubes by a survey. In case there is lack of sealing, colouring shows it.
d) Check the suspensions, make sure that the load is distributed smoothly at all mountings. You can check it moving each hanger a little.
Remove the barrier by the combustion product and reset the original condition
Restart the device by interrupting and resetting the power supply.
-
nance.
electrode – the appliance operates and the green control lamp is lighting. During operation of appliance its automatic burner control con-
then it stops the gas supply of burner. The fan continues to rotate, none of control lamps is lighting.
In case during the burning process the pressure decrease under the permissible minimal value on the positive side of air pressure (from
the fan side), then automation prohibits:
- gas supply and fan stops
The fan continues to rotate, none of control lamps is lighting.
In case during burning process the pressure increases above the permissible maximum value on the negative side of air pressure switch
(from the burner tube side, eg. at combustion back),then it switches back to rest position and the automation prohibits.
- gas supply and fan stops
The appliance stands into error position and red control lamp is lighting.
.
Following the switched on voltage the fan operates continuously assuring the 30 seconds pre-purge time. This time period ensures the
three times air change of combustion volume in case of biggest appliance’s power.
(eg.: external heat, light)
18
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
b) Checking the condition of pressure regulator.
e) Checking the presence of protective ground.
f) Supervision of electrical connection.
g) Supervision of combustion air fan.
Check, whether the wheel of fan is able to revolve free and remove the possible contaminations from revolving blades.
Maintenance supervisions by a qualified service department
Gas change
All kinds of interventions for which disassembly of appliance is necessary:
The following control lamps located on the bottom side of appliance (burner head) indicates the mode:
Green: operation
Red: error
10.
19
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
ZENIT 70+selection list of tube radiants with 2-point control
Type
(input power)
Input
Power
(kW)
Full length (m)
L U L U L U L U L U L U
6 3 9 4.5 12 6 15 7.5 18 9 21 10.5
5.8 3 8.8 4.4 12 5.9 15 7.3 18 8.8 20 10
ZENIT 70+ - 12 12.6 x x - - - - - - - - - -
ZENIT 70+ - 14 14.8 x x x x - - - - - - - -
ZENIT 70+ - 16 15.8 x x x x - - - - - - - -
ZENIT 70+ - 18 18.7 x x x x - - - - - - - -
ZENIT 70+ - 20 20 - - x x x x - - - - - -
ZENIT 70+ - 22 22.7 - - x x x x - - - - - -
ZENIT 70+ - 24 24.2 - - x x x x - - - - - -
ZENIT 70+ - 26 26 - - - - x x x x x x - -
ZENIT 70+ - 28 28.2 - - - - x x x x x x - -
ZENIT 70+ - 30 30.3 - - - - x x x x x x - -
ZENIT 70+ - 32 31.8 - - - - x x x x x x - -
ZENIT 70+ - 34 34.6 - - - - - - x x x x x x
ZENIT 70+ - 36 36.5 - - - - - - x x x x x x
ZENIT 70+ - 38 38.1 - - - - - - x x x x x x
ZENIT 70+ - 40 39.6 - - - - - - x x x x x x
ZENIT 70+ - 42 42.6 - - - - - - x x x x x x
ZENIT 70+ - 44 44.6 - - - - - - - - - - x x
ZENIT 70+ - 46 46 - - - - - - - - - - x x
ZENIT 70+ - 48 48.9 - - - - - - - - - - x x
Minimum and maximum pipe lengths allowed for full power:
Enclosure 1.: Variety-list of ZENIT 70+ -type tube radiant heaters
11.
20
ZENIT 70+TYPE TUBE RADIANT HEATER Instructions for Installation and Servicing
ZENIT 70+selection list of tube radiants with 3-point or modulation control
Type
(input power)
Input
Power
(kW)
Full length (m )
(kW) U L U L U L U L U L U
6 3 9 4.5 12 6 15 7.5 18 9 21 10.5
5.8 3 8.8 4.4 12 5.9 15 7.3 18 8.8 20 10
ZENIT 70+ 12...8 12.6...8.9 x x - - - - - - - - - -
ZENIT 70+ 14...9 14.8...9.9 x x x x - - - - - - - -
ZENIT 70+ 15...10 15.8...10.6 x x x x - - - - - - - -
ZENIT 70+ 18...11 18.7...11.6 x x x x - - - - - - - -
ZENIT 70+ 20...12 20...12.6 - - x x x x - - - - - -
ZENIT 70+ 22...12 22.7...12.8 - - x x x x - - - - - -
ZENIT 70+ 24...14 24.2...14.8 - - x x x x - - - - - -
ZENIT 70+ 26...15 26...15.9 - - - - x x x x x x - -
ZENIT 70+ 28...16 28.2...16.3 - - - - x x x x x x - -
ZENIT 70+ 30...17 30.3...17.1 - - - - x x x x x x - -
ZENIT 70+ 31...20 31.8...20 - - - - x x x x x x - -
ZENIT 70+ 34...21 34.6...21.1 - - - - - - x x x x x x
ZENIT 70+ 36...22 36.5...22.7 - - - - - - x x x x x x
ZENIT 70+ 38...23 38.1...23.2 - - - - - - x x x x x x
ZENIT 70+ 39...24 39.6...24.1 - - - - - - x x x x x x
ZENIT 70+ 42...26 42.6...26 - - - - - - x x x x x x
ZENIT 70+ 44...27 44.6...27.6 - - - - - - - - - - x x
ZENIT 70+ 46...28 46...28.7 - - - - - - - - - - x x
ZENIT 70+ 48...30 48.9...30.3 - - - - - - - - - - x x
Minimum and maximum pipe lengths allowed for full power:
This manual suits for next models
50
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