EN1R-1020 1004RA-NE
8
Offset adjustment VK4115VE/VK8115VE (see fig. 1 and fig. 2.)
•
Remove cap screw with a Torx T-40 screw driver or 5 mm
hex key to expose offset adjustment screw.
•
Check gas supply pressure to the appliance using a
pressure gauge connected to the inlet pressure tap.
•
Start fan and check air flow.
•
Energize both electric operators in order to have gas input
to burner and ignite boiler.
•
Adjust CO2 % at the desired value at high output with
throttle adjustment screw. Turn throttle adjustment screw
clockwise to decrease CO2 %.
•
Operate boiler on low output. (Only modulating
applications).
•
Adjust CO2 % at the desired value at low output with
offset adjustment screw. Turn offset adjustment screw
clockwise to increase CO2 %.
•
Replace cap screw and tighten pressure taps.
Throttle adjustment ..VE types.
The position of the throttle screw can be found on page 2.
Apply a screwdriver to turn the screw.
To decrease the flow, turn screw clockwise.
To increase flow, turn screw counter-clockwise.
WARNING
Applied torque may not exceed 8 Ncm
CHECKOUT
•
After any adjustment check pressure taps and gas
connections with an approved leak detection fluid for gas
leakage.
•
After any adjustment set appliance in operation and
observe a complete cycle to ensure that all burner
components function correctly.
MAINTENANCE AND SERVICE
Under normal circumstances no maintenance or service is
required.
WARNING
Do not disassemble the gas control; it contains no
replaceable components.
Attempted disassembly or repair may damage the
gas control
Screws on the valve that have been sealed must
never be removed.
increase flow
(pressure)
Throttle screw
decrease flow
(pressure)
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Ademco 1 GmbH
Hardhofweg 40
74821 Mosbach
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All rights reserved.
This product is manufactured by
Resideo Technologies, Inc and its
affiliates.
