Unique CU Series, Service Manual And Spare Parts List

Page: 97 / 108

- 91 -
APPENDIX B – Special Control Boards
The standard CU Series air conditioners are equipped with MIG 101/3/02 control board.
Additional control boards, to suit various climate conditions or special control requirements,
are available upon request. See control package features in the following table.
Designation Description Power CU Range Page
1-Ph CU150…400
See
Manual
MIG
101/3/02
Standard control unit.
Heat Pump features:
1-stage Cooling and 1- stage Heating.
Design temperatures and external coil
winter defrost are adequate for moderate
climate conditions.
3-Ph CU150…1400
See
Manual
1-Ph CU150…400 87
MIG
101/2
Heat Pump features:
2-stage Cooling and 2-stage Heating.
Design temperatures and external coil
winter defrost are adequate for moderate
climate conditions.
3-Ph CU150…700 87
1-Ph CU150…400 88
MIG
101/1H1
Heat Pump features:
1-stage Cooling and 1-stage Heating.
Additional (2
nd
stage) heating by
electrical heating element. The heating
element is installed next to the indoor
evaporator's coil.
Or, optionally:
2
nd
stage heating by hot water coil,
installed next to the indoor evaporator's
coil. In this case the hot water is provided
by the end-user and the unit controls the
water inlet valve.
Either way, 2
nd
stage provides heating in
addition to the 1
st
stage. The 2
nd
stage is
activated once the air conditioned room
temperature drops below set-point.
3-Ph CU150…1400 88
1-Ph CU150…400 89
MIG
101/H1
Heat Pump features:
1-stage Cooling only.
Heating is provided by electrical heating
element or by hot water heating coil,
attached to the indoor evaporator's coil.
Whenever heating is required, the
compressor stops and the heating device
are activated.
The hot water is provided by the end-
user.
3-Ph CU150…1400 89