11 commissioning, Commissioning – Grant Products HPAW155 User Manual
Page 38
34
Commissioning
ATC
Parameter
Description
Range
Set Value
Comments
0
Return water temperature to start electrical heater
0˚C
– 30˚C
˚C
Do not Adjust
1
Desired Return water temperature setting
10˚C
– 60˚C
˚C
SET TO 60˚C
2
Defrost cycle
30 Min
– 90Min
Min
Do not Adjust
3
Coil temperature point to start defrosting
-30˚C
– 0˚C
˚C
Do not Adjust
4
Coil temperature point to stop defrosting
2˚C
– 30˚C
˚C
Do not Adjust
5
Max time for defrosting
1 Min
– 12Min
Min
Do not Adjust
7
Restart after power failure
0/1
1
Do not Adjust
0=NO, 1=Yes
9
Water pump working mode
0/1
1
Do not Adjust
0 = Cont, 1 = Normal
Fan motor working mode
A
0 = daytime working mode
0/1
1
Adjustable
1 = night time working mode
B
Target superheat
-F
– F
3
Do not Adjust
C
Manual control paces of EEV
0
– 50
35
Do not Adjust
BTC
Item
Access
Active
Mode
Set Value
Range
OUTDR Start
1
Always
all
˚C
1 to 29˚C
OUTDR DSGN
1
Always
All
˚C
-50 to 0˚C
BOIL START
1
Always
All
˚C
1 to 65˚C
BOIL DSGN
1
Always
All
˚C
21 to 104˚C
BOIL MAX
0
Always
All
˚C
48 to 107˚C, OFF
BOIL MIN
0
Always
All
˚C
OFF, 26 to 82˚C
DIFF
0
Always
All
AU
AU, 1 to 23˚C
DHW BOIL TARGET
0
Always
All
˚C
OFF, 21 to 104˚C
‘pump’ DLY
0
Always
All
secs
OFF, 20 secs to 9:55 mins
WWSD
1
Always
All
˚C
1 to 38
˚C
, OFF
(Warm Weather Shut Down)
11 Commissioning
Please complete the following settings:
11.4 Record of ATC and BTC Settings