Fläkt Woods
8217 GB 2014.07.02 6
Specifications are subject to alteration without notice
TopMaster Air Handling unit
CONTROL AND REGULATION EQUIPMENT
Rotor pressure switch
Rotor pressure switch (GP7) for defrosting, factory
-mounted.
Water heater
Circulation pump (CP1) and valve actuator (SV1) for wa-
ter heating is connected as in the table below. If the pump
motor does not have an integrated alarm unit, the motor
protection can be used to receive an alarm signal.
Liquid cooling
Circulation pump (CP2) and valve actuators (SV2) for
liquid cooling mode are connected as shown in the table
below. If the pump motor does not have built-in alarm
device, motor protection is used to obtain an alarm signal.
Sensors and accessories
Component
Terminal
Connection Comments
Circulation
CP1 Start
C-N-PE
Pump supply
pump CP1
(230 VAC max 2A*)
CP1 Start
N0 - L1
Clamp at circulation
pump
CP1 Alarm NO - C
Potential-free alarm
34 - 35
input, supplied design
as NO, can be
configured
Valve actuator SV1 Control Y- M- G- GO
38 -39 -40- 41
*) Total power consumption for cooling
and heating may amount to max 2 A
Component
Terminal
Connection Comments
Circulation CP2 Start
C-N-PE
Pump supply
pump CP2
(230 VAC max 2A*)
CP2 Start
N0 - L1
Clamp at circulation
pump
CP2 Alarm NO - C
Potential-free alarm
36 - 37
input, supplied design
as NO, can be
configured
Valve actuator SV1 Control Y- M- G- GO
42 -43 -44- 45
*) Total power consumption for cooling
and heating may amount to max 2 A
Electric heater
If an electric heater has been ordered, this is connected
when supplied. The electric coil is factory mounted.
DX-cooling
The Curo™ control system is able to control DX -cooling,
1-stage. Note! DX -coil is not a part of the unit delivery.
For setup, see chapter on Control and Regulation fun-
ctions. Electrical connection is as shown in the following
table.
Fire protection function
External fire alarm can be connected to terminal in elec-
trical cabinet to stop the unit.
Alarm output
Potential-free connection, max. load 24 V, 200 mA.
TopMaster has a total alarm output which can be selec-
ted, allowing you to indicate just A alarms or both A and
B alarms.
Component Function Terminal
Connection Design
specification
1-stage Start
CP2 Start C-NO
Start: 10%,
DX -cooling
cooling
Stop:
0%
Alarm
CP2 Alarm NO - C
NO
36 - 37
Note! If a cooling coil is mounted in the
duct, the supply air sensor must be moved
from the unit into the duct, and placed
after the coil.
