Rinnai E- Series User Manual

8 008082013GW
Maximum average ΔT of T1 supply
sensor and T2 return sensor for central
heating is repeatedly exceeded.
BL 11
1. Check flow through the heating system.
2. Possible causes: radiator shut off valves closed, blocked water filter.
3. Verify proper installation of the boiler plumbing, connections and all components.
4. Check minimum and maximum temperature difference in Parameter step 46 and 47.
5. Activated room sensor (RS100) in non leading room (closed thermostatic radiator
valves?) Check pump height. Should this be check pump head? Do not understand
Operation is normally possible for the hot water
supply during the block. The pump continues to
operate at minimum capacity during the block.
Rectify Issue,
Check following

Rinnai E- Series Specifications

General

Fuel Type	Natural Gas or Propane
Installation	Wall-mounted
Type	Condensing
Venting	Direct Vent
Dimensions	Varies by model
Weight	Varies by model
Warranty	12 years heat exchanger, 5 years parts
Heating Capacity	15, 000 - 199, 000 BTU/h
Vent Type	Direct Vent