POLARTHERM POLAR WHT 45 User manual

USER MANUAL
(1/06)
POLAR WHT 45
Portable fan heater for water-carried
central heating
RAMIRENT

EU DECLARATION OF CONFORMITY
EU:N VAATIMUKSENMUKAISUUSVAKUUTUS
It is ensured through internal quality control that the equipment specified here comply with
the requirements of the current Directive(s) and the relevant standards at all times.
Sisäisellä laatuvalvonnalla on varmistettu, että tässä eritelty laite vastaa nykyisten
direktiivien ja standardien vaatimuksia.
Type of equipment
Laitetyyppi Water-to-air heater
Kiertovesitoiminen lämpöpuhallin
Type of designation
Tyyppimerkintä POLAR WHT 45
Directives
Direktiivit Machinery Directive – Konedirektiivi: 89/396/EEC
Low Voltage Directive – Pienjännitedirektiivi: 73/23/EEC
EMC-directive – EMC-direktiivi: 89/336/EU
Manufacturer
Valmistaja POLARTHERM OY
Polarintie 1
FIN-29100 Luvia, Finland
Date
Päiväys Luvia 9.1.2006
Signature
Allekirjoitus
Jyrki Salomäki
Manager, Product Development
RAMIRENT

1. Introduction
Before using the heater please read this manual carefully. This manual should be always
situated close to the heater.
Terms of warranty:
WHT heaters have a warranty of 1 year for defects in material or manufacturing. All use,
placement, maintenance etc. of the heater which is not in accordance with the instructions
specified in this manual will lead into avoidance of warranty.
2. Safety instructions
WHT heaters are manufactured according to the latest level of technical development.
Improper use of the equipment by untrained personnel may lead to dangerous situations.
•local building regulations must be complied
•person using the equipment is responsible for safe installation of the equipment and
electricity
•equipment must be situated only on a level surface. NOTE! DANGER OF
CAPSIZING due to high equipment
•installation of the equipment, water couplings and electricity is allowed only by
trained professional personnel
•the equipment should not be placed or used in highly combustible or explosive
environment
•the equipment should be placed outside passages, min. 1 m safety area around the
heater
•water hoses should be placed and protected to prevent them from being damaged
•when moving equipment while connected to water circulation one should be very
careful to avoid unnecessary water damage
•water hoses must meet the standards for pressurized hoses
•roll cage and air filter must not be removed
•equipment can only be used within the specified power limits
•the guard net for incoming air must be clean and free from any objects
•filter must be cleaned or replaced regularly
•discharge opening must not be closed when using the equipment
•any objects are not to be placed inside the heater
•the equipment must not be exposed to water jet
•water leakage inside the equipment must be avoided
•external electric cables must be protected from damage
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3. Placement and installation
•equipment should be placed in a way which does not cause direct air flow to lounges
or work spaces of personnel
•equipment must be placed only horizontally on even floor. NOTE! DANGER OF
CAPSIZING!
•enough free space (min. 250 mm) should be left outside the equipment onto the
incoming air side to assure enough air flow
•hoses / pipes and heat exchangers should be connected in a way which does not
cause stress or distortion
•the boiler and water pump power should be sufficient when the equipment is
connected to an existing water heating system
•make sure that the 3 phase fan is rotating in the right direction (very strong air
outflow). In case the rotating direction is not correct turn the direction from the electric
plug (plug is equipped with a phase turning switch)
4. Information on water cell and circulated water couplings
Heat exchangers are made of copper pipes and jointed aluminium baffles. Other parts are
made out of metal or steel.
•standard delivery: circulated water coupling consists of 1” aluminium cam-lock joints
with female joint for incoming water and male joint for return water
- incoming water is below (left); elbow joint, reducing double nipple and male
cam-lock joint on the incoming side
- return water is above (right); elbow joint with air valve, reducing double nipple,
closing valve and female cam-lock joint
•made to order: joints etc. removed and circulated water is connected straight to water
cell couplings (R1 1/4” external thread)
•all threaded couplings are secured with glue (Loctite 577)
•max water temperature 130 °C
•max water pressure 16 bar
•WARNING! Heat exchanger are not suitable for steam or oil use
5. Connecting to heating equipment
Make sure that the heating and water pump power meet the technical specifications of the
equipment. The heater will work properly only when the incoming water temperature and
water flow are sufficient.
After installation the air should be removed carefully from the heater water cell. The air
pockets left inside the heater will lower the output power.
Important!
If the couplings should be tightened or other plumbing should be done use a suitable
tool to avoid any damage to pipe connections of the water cell.
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6. Preventing the equipment from freezing
The heater is equipped with a freeze protection thermostat to prevent the equipment from
freezing.
When the discharge air temperature goes below +4 °C the thermostat stops the fan
(thermostat value should not be changed). The low temp sensor is situated inside the heater
on suction side.
NOTE!
At times the low twmp thermostat may prevent the fan from working normally. This may
happen for instance when the heater is taken into use straight from a cold warehouse etc.
when the sensor is not warm enough. To warm up the sensor you may use just fingers and
the fan will start after a while.
Warning!
−The heater does not empty water throughout by itself. To empty the heat
exchanger totally from water it is necessary to use compressed air.
−In freezing conditions make sure that the water cell is empty. If it is not
possible to empty the cell mix antifreeze with the water.
−Warranty is void in cases where the cell is frozen!
7. Electric connection
Neglecting proper user manuals and electrical diagrams or changing them may cause
malfunctions and other consequences. In these cases the warranty is void.
Connecting the equipment
The heater is connected to electric power supply (400/230 V / 3N~ / 50Hz / 16 A) using a 16
A electric plug. Plug is equipped with a phase turning switch (to enable turning the rotation
direction of the fan).
The equipment is equipped with a control box containing all necessary electric couplings
(see 12. Electrical diagram). The fan shuts off only when the switch is turned to the “stop”
position.
The heater also contains an hour counter that measures the operating time of the fan.
8. Implementation
Before first use:
•make sure that all couplings are appropriate
•check the safety distances around the equipment
•cabling should be made according to existing regulations
•make sure the air intake filter is clean
•make sure that the discharge opening and sound absorber are free from any objects
•make sure that the fan is rotating in the right direction
During first use:
•check the balance of the fan blade
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•check the equipment for any possible vibration
•check the installation protection and tightness of the plumbing / hoses
9. Maintenance
In normal use the WHT heaters are almost maintenance free except for the air intake filter.
To assure trouble-free working of the equipment the heaters must be checked regularly and
cleaned if necessary.
Air intake filter should be cleaned regularly and changed into new one when
necessary. Do not use the equipment without the filter!
Before maintenance:
•close the water circulation and prevent it from opening
•wait until the heat exchanger has cooled down
•stop the heater appropriately remove it from the electric network
Cleansing agents
Do not use any abrasive scratchy or agents including solvents. Soft cloth and soap solution
are enough in most cases to remove the dirt.
Cleaning the equipment:
•remove the filter unit and clean or replace it with a new one
•clean the air intake openings and discharge baffles
•clean the fan blade with e.g. compressed air, mild pressure. NOTE! Do not lose the
balancing weights of the fan blade!
•heat exchanger baffles are cleaned by blowing, vacuum-cleaning or soft brush. The
most dirt from the fan blades and baffles can be removed by soap solution
•in case the fan motor holders and guard net have been removed they should be
reinstalled after which the free rotation of the fan blade should be checked carefully
Maintenance precautionary measures:
•do not water the motor
•in any case do not use high pressure water or steam
•avoid damaging or bending the baffles and fan blades during maintenance and make
sure not to remove the balancing weights of the fan blade
Maintenance repair:
•Always before repair unplug the equipment from electric network to prevent the
heater from turning on
•In cold conditions empty the heat exchanger from water or fill it with e.g. glycol
Note! Emptying the heat exchanger can only be done with compressed air.
RAMIRENT

10. Technical information
POLAR water-to-air heater WHT 45
product code 6103
nominal heat output @ 90/70 ° & 0 °C suction air kW 45,1
voltage V / Hz 400 / 3N~ / 50
power input kW 2,2
nominal amperage A 4,8
fuse size, max. A 16
fan rotation speed rpm 1800
air flow m3/h 3200
air outlet mm Ø 315
air outlet rubber nozzles (Ø125/95) pcs 4
sound absorber yes
noise level dB(A) 70
protection class IP 34
circulated water couplings (standard) 1" cam-lock
circulated water couplings R11/4” external thread
heating intermediate agent hot water max 130 °C
water pressure, max. bar 16
nominal circulated water flow @ nominal heat output m3/h 1,9
(0,54 l/s)
water cell counter pressure @ nominal water flow kPa 4,8
(48 mbar)
dimensions (l x h x w) mm 630x2775x950
weight (dry) kg 164
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WHT 45
Circulated water
(in/out) °C intake air temperature °C output power, kW out-blown air temperature °C
60 / 50 + /- 0 34,6 30
-15 46,1 25
-10 42,6 27
-5 48,8 28
70 / 50 +/- 0 34,9 30
+5 31,4 34
+10 27,6 36
+15 22,8 36
+20 18,2 37
-15 52,9 31
-10 49,7 33
-5 46,1 35
80 / 60 +/- 0 42,6 37
+5 38,8 41
+10 34,9 43
+15 31,4 44
+20 27,6 46
-15 54,0 31
-10 50,8 34
-5 48,1 36
90 / 70 +/- 0 45,1 39
+5 41,9 44
+10 38,6 46
+15 35,3 48
+20 31,8 50
110 / 90 +/- 0 58,8 54
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11. Parts list
WHT 45
1 Wheel, turning with brake, 2 pcs 74400
2 Wheel, 2 pcs 74410
3 Centrifugal fan 12390
4 Bumper, rubber, 4 pcs 80720
5 V-belt, SPA 73380
6 Belt pulley, fan + mounting adapter 73219 + 73220
7 Belt pulley, motor + mounting adapter 73260 + 73240
8 Fan motor 15122
9 Air intake filter (G4) 80710
10 Water cell / heate exchanger (Cu/Al) with couplings (R11/4) 81020
11 Corner adapter 90°, contracting (R11/4”/ 1”), 2 pcs 65355
12 Double nipple (R1”), 2 pcs 65400
13 Valve (R1”) + thermostat regulator with fixed temp sensor 67600 + 67700
14 Air screw 67150
15 Vent valve, automatic 67550
16 Branch tee 65500
17 Contracting nipple (R1/2/ 3 / 8”) 65600
18 Cam lever joint (R1”, male female, aluminium) 82450
19 Cover plugs for cam lever joints 82451
20 Sound absorber 69210
21 4-way air outlet adapter
22 Air outlet corner piece Ø125 / 90°, 4 pcs 69220
23 Air outlet rubber nozzle, 4 pcs 80730
24 Hose clamp, 4 pcs 69530
25 Finger screw, 4 pcs 82305
See other electric parts from "12. Electric diagram"
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12. Electrical diagram
Fan motor
Fan failure
indicator Motor contactor
S1; Main Switch
0 = Stop
1 = Heating (fan on)
Hour counter
Power supply
400 V/3N~/16 A
Low temp thermostat;
set @ +4 °C
(opens below set point)
K1 K1
X1:5
X1:L1
X1:L2
X1:L3
X1:N
X1:PE
X2
(to frame)
X1:7
95
97
96
98
X1:8
1
2
S1
1
0
X1:N
A1 1 3 5 13
A2 2 4 6 14
K1
H1
U1
V1
W1
2,2 kW / 3~
1500 rpm
4,8A
M
Kaapeli M:lle
4×1,5 mm²
123
95 97
96 98
3×10 A
F1-3
F5
6A
1,5 mm²
1,5 mm²
X1:6
X1:1 2X1 X1:3
X1:9
X2
1
S3
C
2
MFanmotor
WHT 45
K1 Contactor / Danfoss CI9, 230 V
S1 Main switch, 0-1
S3 Low twmp thermostat, @ +4 °C / Imit #20211
F1-3 Fuses / 10 A
F4 Thermal relay, motor / Danfoss / 4-6,2 A
F5 Control fuse / 6 A
H1 Indicator / Fan failure / Arcolectric, 230 V, red
P1 Hour counter / 230 V
X1 Terminal block / 4 mm² / Wieland WK4
X2 Ground terminal
X3 Appliance receptacle / 3P+N+G / 16 A
; Mez 400 V/3~/2,2 kW/1500 rpm/4,8A
Manufacturer:
Polarintie 1
FI-29100 LUVIA
FINLAND
tel: [phone] / fax: [phone]
e-mail: [email protected] / internet: www.polartherm.fi
RAMIRENT