FläktGroup HYPOWER-GEKO - Checking the Control and Shut-Off Valves

HyPower-Geko Commissioning
FläktGroup DC-2014-0022-GB 2018-05/R5 • Subject to modifications 95
7.2 Checking the control and shut-off valves
Check all on-site valves according to the regulations of the manufacturer.
7.2.1 Checking the control valves
2 or 3-way valves with modulating actuators or 2 and 3-way valves with
thermoelectric actuators.
Actuators of 2 and 3-way valves have a position indicator in the form of a red plastic
nose that is placed in the relevant slots.
Depending on the model as a 2 or 3-way valve the latter is open or closed if the red
plastic noses are in one of two possible end positions (refer to
Tab. 7-1).
Position indicator of drive screw 2-way valve 3-way valve
Setting 1 Valve OPEN Valve OPEN
Setting 2 Valve CLOSE Valve CLOSED
Tab. 7-1: Position indicator with 2- and 3-way valves
User instructions!
Thermoelectric actuators for 2-way valves are marked with a black label and 3-way
valves - with a red label.
Red plastic noses
K
VS
= 6.3 to 8
OPEN
A
B
K
VS
= 6.3 to 8
A
AB
B
Red plastic noses
K
VS
= 6.3 to 8
ZU
AB
K
VS
= 6.3 to 8
A
B
AB