Electrical Heaters - Carrier 40ZS Series Installation, Operation And Maintenance Instructions

9 - OPTIONS

9.2 Electrical heaters

- The auxiliary electrical heaters are ready for operation in two
power stages.
- The electrical heaters acquired with the unit will be
incorporated to it modifying the electric panel in the factory,
so that it is compatible with the electronic control.
- The electrical heaters requested for units already shipped
will be sent in a kit, and the installer will need to assemble
the elements required for the operation of the unit and for
compliance with the legal regulations that are applied to the
modifi ed unit with regard to safety.
Models 90 to 360
In these models, the connection is made at the fan outlet:
- In models 90 to 120 each of the rows of electrical heaters has
an output of 1 kW. As from model 160, the output of each row
will be 2 or 3 kW according to the total output.
- In models with two supply fan outlets (two frames), as well as
in the case of 1 supply outlet with 2 rails, the electrical heaters
are distributed as symmetrically as possible between both
frames.
Frame for assembly of the auxiliary heater in the supply
fan outlet:
40ZS/ZF Total output (kW)
6 / 9 (1 row)
90 / 100 / 120
(1 supply outlet)
12 (2 rows)
160 / 180
12 / 15 / 18 (1 row)
(1 supply outlet)
15 / 18 (1 row)
182 / 200 / 240
(2 supply outlet)
24 / 30 / 36 (2 rows)
320 / 360
15 / 18 / 24 / 30 / 36 (1 row)
(2 supply outlet)
Note: in models with centrifugal return fan it is not possible to
assemble electrical heaters with outputs of 30 and 36 kW.
Access for maintenance:
The frame has access designed from the right side for
maintenance. In the case of 2 frames (2 supply outlets) are
placed symmetrically so that the electrical heaters can be taken
out without problems, that is, one will be accessed from the right
and the other one from the left.
To access the electrical heaters , the 2 screws that fasten the
frame side panel must be unscrewed as shown in the following
image:
In order to remove the
electrical heaters the
power supply cables
must be disconnected
f r o m t h e t e r m i n a l
board and the hose
taken out.
C
Dimensions (mm)
A B C
Then, unscrew the screw that fastens the electrical heaters'
150 482 443
frame and take out by the rail, as shown in the following images.
262 482 443
189 1.142 443
189 1.142 443
297 1.142 443
189 1.142 443
Rail
Safety
thermistors
Electrical
heaters
Hose
Access panel
13