Rinnai Reu-VRM1120WD-E Service Manual page 27

Isolate water connections below heater
Remove Filter (14) Inspect and clean as required
Replace and re-instate water supply
Remove gas valve (15) test nipple (K) and connect manometer
Re instate Gas supply & Electric Supply
Open water outlet and get maximum water flow possible
Check burner pressure as per page 23
LOW GAS
NG G20
LPG G31
MAX GAS
NG G20
LPG G31
Once burner pressures have been checked and correct turn off water outlets
Isolate Gas supply and remove manometer & Reseal Test Nipple
Reinstate gas supply
Open water outlets and fire heater whilst running check all test nipples for gas
leaks.
Servicing
11e 14e 17e
1.68 1.68 1.68
1.55 1.55 1.55
(pressures in mbar)
11e 14e 17e
3.95 6.33 9.26
3.91 6.09 8.62
(pressures in mbar)
27
20e
1.72
1.78
20e
8.68
8.27