Arctic MAFP020A Service manual

INSTALLATION & INSTRUCTION
MANUAL
EVI DC INVERTER
AIR TO WATER HEAT PUMP

2
Contents
Notice - Warnings...............................................................................................................................................................4
Specification.......................................................................................................................................................................5
Technical Parameters of Arctic Air to Water Heat Pumps..........................................................................................5
Heating Performance Table............................................................................................................................................6
Recommended Circulation Pump (External) ..................................................................................................................8
Product Dimensions........................................................................................................................................................9
Installation........................................................................................................................................................................10
Heat Pump Installation ...............................................................................................................................................10
Installation Space Requirements:.................................................................................................................................12
Buffer Tank Installation...............................................................................................................................................12
Installation of Indoor Heating and Cooling Equipment ..............................................................................................13
Water Pipe Connections..............................................................................................................................................13
Installation of the Temperature Sensor.......................................................................................................................14
Electrical Wiring...........................................................................................................................................................14
Electrical Wire Selection –Warning............................................................................................................................15
What Gets Connected and Where................................................................................................................................15
Start Up.........................................................................................................................................................................18
Plumbing Layout Illustrations ......................................................................................................................................19
Hydronic Heating with Optional Hot Water Coil ..........................................................................................................19
Fan Coil Heating with Optional Hot Water Coil ............................................................................................................20
Air Handler Heating with Optional Hot Water Coil ......................................................................................................21
Hydronic Heating (Priority) Fan Coil Cooling with Optional Hot Water Coil ................................................................22
Hydronic Heating (Priority) Air Handler Cooling with Optional Hot Water Coil...........................................................23
Hydronic Heating & Hydronic Cooling with Optional Hot Water Coil ..........................................................................24
Fan Coil Heating & Cooling with Optional Hot Water Coil ...........................................................................................25
Air Handler Heating & Cooling With Optional Hot Water Coil.....................................................................................26
The Use of the Wired Controller ..................................................................................................................................27
Buttons and Display Symbols Explanation....................................................................................................................27
Wired Controller Operations .......................................................................................................................................27
Keyboard Locking / Unlocking Operation.................................................................................................................27
Turning the Unit ON/OFF..........................................................................................................................................27
Modifying the Temperature Setting ........................................................................................................................28
Mode Select Operation............................................................................................................................................28
Forced Defrost ..........................................................................................................................................................30
Clock Setting .............................................................................................................................................................30

3
Timer ON/OFF Settings............................................................................................................................................30
Cancelling Timer Operation ....................................................................................................................................30
Changing Between Celsius & Fahrenheit ...............................................................................................................30
Timer Programming..................................................................................................................................................31
Factory Reset ...........................................................................................................................................................31
Checking of State Parameters .............................................................................................................................32
MaintenanceandRepair................................................................................................................................................33
AntifreezeProtectionoftheUnit ....................................................................................................................................33
Error Code Table ............................................................................................................................................................34
Appendix ..........................................................................................................................................................................36
Wiring Diagrams ...........................................................................................................................................................36
Intelligent Defrost.........................................................................................................................................................39
Exit Defrost Mode .........................................................................................................................................................39
Back Up Heating............................................................................................................................................................39
Eco ULTRA Integration..................................................................................................................................................40
Domestic Hot Water.....................................................................................................................................................42
3-Way Valve..................................................................................................................................................................43
Multiple Heat Pumps....................................................................................................................................................44
Modifying a standard tank to a buffer tank..................................................................................................................45
Demand Heater Wiring Option Appendix.......................................................................................................................46
H - Wiring –HEATING Hydronic Pump (H)....................................................................................................................46
F - Wiring –HEATING Fan Coils (F)................................................................................................................................47
A - Wiring –HEATING Air Handler (A)...........................................................................................................................48
H-F -Wiring –HYDRONIC HEATING (H) & COOLING Fan Coil (F)*................................................................................49
F-F -Wiring –Fan Coil HEATING (F) & Fan Coil COOLING (F)*......................................................................................50
HF-F -Wiring –Radiant & Fan Coil HEATING (HF) & Fan Coil COOLING (F)*................................................................51
H-A Wiring –HYDRONIC HEATING (H) & COOLING Air Handler (A)* ...........................................................................52
A-A Wiring –COOLING & HEATING Air Handler (A)*....................................................................................................53
HA-A -Wiring –Radiant & Air Handler HEATING (HA) & Air Handler COOLING (F)* ...................................................54
WARRANTY.......................................................................................................................................................................56

4
Notice - Warnings
Save this manual for future reference. To use this product better and more safely, please read this manual carefully
before installation and initial operation.
Thisheat pump must beinstalledby qualified and experiencedtechnicians/trades-persons. Improper
Installation ofthis heat pump may cause damageand danger.
This heat pump must beinstalledinaccordance with local wiring regulations including anisolating switchfrom the
supply mains and grounded powersupply consistentwith the power specificationofthis heat pump.
The installation ofthis heat pump must comply with the model's wiring chart inthis manual and its power
requirements as stated onthe rating label on the side of the heat pump.
Do not installthis heat pump closeto flammable orexplosivematerials,oropen flames.
Checking and cleaning of the evaporator fin coil regularly is recommended for good andefficientair flow.

5
Specification
Technical Parameters of Arctic Air to Water Heat Pumps
Model
MAFP020A
MAFP040A
MAFP060A
Rated Cooling Capacity(kW) ①
7.5
12.5
150
RatedInputPower(kW)①
3.0
4.1
6
Rated InputCurrent (A) ①
13.63
18.63
27.3
PerformanceCOP(W/W)①
2.5
2.5
2.5
Rated Heating Capacity(kW) ②
10.5
16.0
20
RatedInputPower(kW)②
2.83
4.41
5.54
Rated InputCurrent (A) ②
12.86
20.04
25.2
PerformanceCOP(W/W)②
3.71
3.62
3.61
Rated Heating Capacity(kW) ③
8.5
14.0
17
RatedInputPower(kW)③
2.7
4.4
5.35
Rated InputCurrent (A) ③
12.27
20.01
24.3
PerformanceCOP(W/W)③
3.14
3.18
3.18
Power Supply (V/Ph/Hz)
220-240/1/60
220-240/1/60
220-240/1/60
Maxwateroutputtemp ( ℃ )
60
60
60
Soundlevel(dba)
55
55
55
Compressor type
Rotary
Rotary
Rotary
CompressorQty
1
1
1
Waterinlet/outletpipediam.(inch)
1"
1"
1"
Recommended WaterFlowVolume(USGPM)
6.5
11
13
Pressure drop at Recommended Flow Rate
(Ft)
15
21
21
Refrigerant type
R410a
R410a
R410a
Weight
110 KG
170 KG
180 KG
ASSUMPTIONS①Outdoorairtemp35℃/24℃,Inletwatertemp12℃,Outletwatertemp7℃(Coolingmode)
②Outdoorairtemp7℃/6℃,Outletwatertemp45℃(Heatingmode)
③Outdoorairtemp7℃/6℃,Outletwatertemp55℃(Heatingmode)
* Usinghydronicradiantskirtingboards,noteunderfloorheatingsizingdependsonthefloorcovering,tilesaremore efficient,carpetleastefficient.
COP CURVE
0
1
2
3
4
5
6
7
8
9
-25 -20 -12 -7 0 7 14 21
COP
Outdoor Temp (C)
Design Water Temp (C)
Arctic Heat Pump
Performance Curve
(060A)
15 26 35 40 45 50 55