Calitec KP-50 User manual

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Manual - Model KP-50 – 300L
Version: March 2020
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Content
Page
Installation & Maintenance 3
Hot Water Cylinder – Installation 4
Outdoor Unit – Installation 5
Display Controller 6
First start up 7
Control panel 8
Key lock function 9
Mode select 10
Clock setting 11
Timer setting 12
Defrosting & Water quality requirements 13
Error messages 14
Technical sheet 15
Contact details 16

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Installation & Maintenance
The installation of a Calitec Hot Water System is exclusively allowed by
qualified tradesman.
It has to be done according to NZ building codes and local regulations. Do
not install the unit by yourself (customer). Incomplete installation could cause
injury due to fire or electric shock. Incorrect installation can also void the
warranty.
It is a set-and-forget system with very little maintenance. Once your installer(s)
are finished there is very little you have to do.
Maintenance of the outdoor unit:
It is very important important that the air can flow unhampered through the
outside unit. Keep it free from weeds and spider webs and don’t block it off in
any other way. A restricted or blocked air flow can result in a higher power
consumption or failure of the unit.
It is also very important that the compressor unit is fitted level. Your installer
will make sure that it is fitted correctly, but regularly check and make sure that
it remains level. The lifetime of the compressor unit will be shortened with
unlevelled operation.
Please inform your installer if you don’t think it is level anymore.
Maintenance of the hot water cylinder:
Mains pressure systems are fitted with a Pressure & Temperature Relief Valve
(PTR Valve), once a month the release mechanism on the valve has to be
activated to ensure its continuing function. When the release mechanism is
jammed, the hot water pressure in your system could become too high
causing all kinds of trouble.

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Hot Water Cylinder - Installation
The hot water cylinder can be used as a low water pressure cylinder or as a
mains water pressure cylinder.
The installation must be carried out by a qualified plumber and installed
according to local rules and regulations.
The hot water cylinder is to be
considered as a normal hot water cylinder
. Only the heating part is different.
The cylinder must be installed vertically.
The electric heater needs to be connected by a qualified electrician. The
electric heater is strictly a back-up heater and should be switched off at
normal operation of the heat pump hot water system.

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Outdoor Unit - Installation
The outdoor unit needs to be installed by a
qualified heat pump split system installer/
refrigerant filler.
The best location for the outdoor unit is a place where:
• It is not exposed to strong winds.
• Airflow is good and dustless. At least 100mm space around the unit and
800mm space at the front.
• Neighbours are not annoyed by the operation sound.
• There is no risk of combustible gas leakage.
• The condensation water can flow to a drain or will be absorbed by the
soil.
• Flooding water cannot reach the base of the unit.
• The outdoor unit should be fitted on feet on a level base or on a wall
bracket.
Please avoid locations where trouble is liable to occur:
• Where flammable gas could leak.
• Where there is much machine oil.
• Salty places such as the seaside.
• Where sulphide gas is generated.
The refrigerant R410a, pre-charged in the outdoor unit, is suitable for 5 meter
copper pipe. If the refrigerant pipes between the outdoor unit and the hot
water cylinder exceeds 5 meter, please add 10g R410a refrigerant per extra
meter of pipe. The maximum pipe length is 20 meters.

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Display Controller - Installation
The display controller is stored behind the front
panel, together with the temperature sensor.
The controller needs to be connected to the
outdoor unit with a 3 core cable (cable not
supplied).
The sensor cable could be cut to the required
length and connected on the same terminal
block as the controller.

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First start up
1) Open the high and low pressure refrigerant valves.
2) Open water switch and fill the hot water cylinder with water.
3) Make sure that the cylinder is filled with water.
4) Make sure that the temperature sensor is in the lower temperature
probe pocket of the cylinder.
5) Connect the power cable.
6) Turn the system on at the control panel.
7) The Controller is pre-set for Cylinder heating at 60°C. All you have to
do is set the clock and if required, the timer (see Clock setting & Timer
setting page 11 & 12).

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Control panel
Description of display panel:
ROOM COOL mode
parameter setting
ROOM HEAT mode
key lock
Cylinder HEAT mode
timer on
Defrost mode
timer off
first 88 is setting temperature,
second 88 is current
temperature
setting temperature
symbol for ROOM HEAT, ROOM
COOL
Clock adjust
Clock/Timer/Parameter display
Degrees Celsius

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Key Lock function
When is on, key lock function is on. Press the
button for 6 seconds to release key lock.
The key lock function will be back on after not touching
any button for 30 seconds.

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Mode select
(note: PK-50 models have only Cylinder HEAT)
Cylinder HEAT mode:
Left side is set temperature, right side is
actual water temperature.
Press to change the
set temperature.
Press button to go to the next mode.
ROOM CO OL mode:
Not at this model.
Press button to go to the next mode.
AUTO1 mode:
Not at this model.
Press button to go to the next mode.
AUTO2 mode:
Not at this model.
Press button to go to the next mode.
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Clock setting
Press for 6 seconds and ‘minute’
and will flash, Press
to change minutes.
Press and the ‘hour’ will flash,
Press to change hour.
or!
or!

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Timer setting:
Press and the ‘minute’ and
flash.
Press to change minute of TIMER
ON.
Press and the ‘hour’ and
flash.
Press to change hour of TIMER ON.
Press and the ‘minute’ and
flash.
Press to change minute of TIMER
OFF.
Press and the ‘hour’ and flash.
Press to change hour of TIMER OFF.
Press to cancel TIMER ON, TIMER OFF.
or!
or!
or!
or!

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Defrosting
When this symbol is lit, the outdoor unit is in defrosting mode. This
is an automatic process to remove the ice from the evaporator. It
takes about 17 minutes and the heat pump will resume working
afterwards. Depending on the ambient temperature and humidity this could
occur several times.
Process of defrosting
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Water quality requirements
PH Value
6.5 – 8.0
Electrical Conductivity
< 200 µV/cm (25°C)
Total Hardness
< 50 ppm
Sulfone Ion
No
Chloride Ion
< 50 ppm
Ammonia Ion
No
Sulphate Ion
< 50 ppm
Silicon
< 30 ppm
Iron
< 0.3 ppm
Sodium
No
Calcium Ion
< 50 ppm

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Error messages
The outdoor unit is equipped with regulation and safety components; when a
regulation component is defective or a safety sensor is activated, a message is
posted like it’s illustrated below. Call your installer for help.
E01
Cylinder water sensor
E10
Low pressure protection
E02
Ambient sensor
E11
Compressor over-heat protection
E03
Compressor exhaust sensor
E12
Anti-freeze protection in winter
E04
Evaporator sensor
E13
Water return sensor
E05
Compressor return sensor
E14
User water return sensor
E06
Water outlet sensor
E15
After EEV sensor
E07
Water-flow-switch
E16
Low ambient temperature
protection
E08
Communication problem
between controller and PCB
E17
Water temperature too high
between inlet and outlet
E09
High pressure protection
E18
Phase-order protection

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Technical Sheet
Model
KP-50/300L
Power supply
v/ph/hz
220-240/1/50
Rated heating
capacity
kW
4
Rated power input
kW
1
Maximum power
input
kW
1.54
Water production
L/h
73
Refrigerant
R410A
Rated / Maximum current
A
4.5 / 8
Rated water temp. – heat pump heated
0C
60
Level against electric shock
I
Water-proof grade
IPX4
Heat pump unit
Net weight
kg
40
Net size (L/W/H)
mm
900x310x550
Hot water cylinder
Net weight
kg
43
Net size
mm
Ø 560X1812
Water connection
G 3/4’’
TPR valve
kPa
850
Refrigerant connection pipes diameter
mm
Ø 6.35 & Ø 9.52
Operation temp. range
0C
-10 to +45
Noise
dB(A)
56
Test condition Heating: Ambient temp. (DB/WB): 20/15 0C, Water temp. (Initial/Final): 15/55
0C.

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Contact details
Calitec Hot Water Systems Limited www.calitec.nz
ph. 0800 125 225
[email protected]
Your local installer:
Warranty
Calitec Hot Water Systems are provided with a 5-year warranty on the outdoor unit and 20-
year warranty on the stainless steel hot water cylinder, if installed through qualified installers.
Check out full Warranty Terms & Conditions of Calitec Hot Water Systems ltd on
www.calitec.nz .
March 2020