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38XTZ-40ABZ/ALZ
Heating coils for 40ABZ/ALZ indoor units:
A - electric resistance heaters
B - hot-water coils
Thermal-magnetic crankcase heaters for 38XTZ outdoor units
Low refrigerant pressure switch for 38XTZ outdoor units*
Head pressure control for cooling operation at outdoor air temperatures below +19°C (38XTZ)
Special drives for higher indoor unit fan static pressure
(40ABZ/ALZ - installed in the units on request)
Room thermostat, wired remote control - versions:
A -
220 V for sizes 38XTZ 007 and 008 with 40ABZ 007 and 008
(one stage cooling, one stage heating)
B -
24 V for sizes 38XTZ 011 to 024 with 40ABZ/ALZ 011 to 024
(two stages cooling, three stages heating)
B1 - Programmable, with remote sensor option for return air duct or room air
B2 - Non programmable
From the Master Link I control, for sizes 38XTZ 016-024/40ABZ 016-024
A - Advanced service tool (via PC software)**
B - Interface converter, for control of up to 15 x 15 units via PC software**
C - Basic tool**
D - Communication board**
Accessories are not factory-installed.
Options can be ordered for factory-installation in the units, or they can be installed later.
*
To be requested at time of order, installed in the 38XTZ units.
** -
With the basic service tool the communication board must also be ordered.
-
With the advanced service tool (via PC software) the communication board and the communication interface converter
must also be ordered.
-
If an installation includes various units connected to a communication bus, all units on the bus must include the
communication board.
38
Table 15 - Options/accessories
Option
Accessory
x
x
x
x
x
x
x
-
x
x
x
-
-
x
-
x
-
x
-
x
-
x
-
x
-
x
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