Nordic ATWC Series, Инструкция по установке и обслуживанию, Страница: 72 / 106

PRELIMINARY: 24-Sep-2021 Page 72 002536MAN-00
Table 24 - Shipping Information - Indoor Unit
WEIGHT DIMENSIONS in (cm)
lb. (kg) L W H
ATWC-45
ATWC-55
ATWC-65
ATWC-80
ATWC-100
MODEL
ATWC-75
Loop Mode Parameter ( ° F)
(°C)
Note
Indoor
Heating Minimum ELT 60
15
Reduce flow if necessary during startup.
Heating Maximum LLT 160
71
De-rated at cold outdoor temperatures; see Operation chapter.
Cooling Minimum LLT 41
5
Water system (no antifreeze).
Cooling Minimum LLT 32
0
Antifreeze system. Adequate freeze protection required.
Cooling Maximum ELT 80
27
Outdoor
Heating Minimum EAT -7
-22
ACE Outdoor Unit automatically stops compressor below this temp.
Cooling Maximum EAT 120
49
ACE Outdoor Unit automatically stops compressor above this temp.
* Values in this table are for rated liquid flow values.
Table 28 - Operating Temperature Limits
Table 27 - Indoor Loop Flow Rates
SIZE gpm
L/s
ATWC-45 10
0.63
ATWC-55 12
0.76
ATWC-65 14
0.88
ATWC-75 16
1.0
ATWC-100 21
1.3
Note for circ pump sizing: these flow rates may be greater
than required for boilers of a similar heating capacity.
ATWC-80 17
1.1
Table 25 - Shipping Information - Outdoor Unit
WEIGHT DIMENSIONS in (cm)
lb. (kg) L W H
ACEC-45
ACEC-55
ACEC-65
ACEC-75
ACEC-100
MODEL
ACEC-80
Model Specific Information
Table 29 - Outdoor Unit Sound Levels (dBA)*
1 ft distance 3 ft distance 5 ft distance 10 ft distance
Front Side Front Sides Front Sides Front Sides
ATWC-45
ATWC-55
ATWC-65
ATWC-75
ATWC-100
* At maximum fan speed. This occurs in heating mode, or in cooling mode with
outdoor greater than ~27°C.
MODEL
ATWC-80
Table 30 - Indoor Unit Sound Levels
MODEL 1 ft distance 3 ft distance
ATWC-45
ATWC-55
ATWC-65
ATWC-80
ATWC-100
* With all doors installed.
ATWC-75
Table 16 - Refrigerant Charge
MODEL
R410a R134a
lb.
kg
lb.
kg
ATWC-45 4.0 1.8 4.0 1.8
ATWC-55 5.0 2.3 5.0 2.3
ATWC-65 6.0 2.7 6.0 2.7
ATWC-75 7.0 3.2 7.0 3.2
ATWC-80 8.0 3.6 8.0 3.6
ATWC-100 9.5
4.3
9.5
4.3
Refrigerant charge is subject to revision ; actual charge is
indicated on the unit nameplate. Oil type is POE.