Operating Instructions and Installation Instructions

ULTRAMAX PB 65 - 120
28 L290 ©MHS Boilers 13/12/2010
Ultramax PB 65 Ultramax PB 85
Ultramax PB 100 Ultramax PB 120
Pump settings when using the plate heat exchanger*
Ultramax PB
Pump
Level
Ultramax PB 65
UPS 25-55
1
Ultramax PB 85
UPS 25-55
2
Ultramax PB 100
UPS 25-80
3
Ultramax PB 120
UPS 25-80
3
*Pump setting, standard delivery, is factory set to speed 3
When using a hydraulic switch, the rpm speed of the internal pump should be specified such that a Delta T
(VL/RL) = 20ºC results. The boiler temperature shown on the display can determine the temperature
difference. The return temperature is indicated at the expanded information level b1 (see Table on page 44)
10.0 Commissioning
10.1 Re-circulation Pump