Symbols Used In The Diagrams; List Of Diagrams - Hamworthy VARMAX 120 Installation, Commissioning And Servicing Instructions

9.2. Symbols used in the diagrams

Symbol
Open isolating valve
Motorised 2 channel valve
Filter
Burner control
Sediment well
External sensor

9.3. List of diagrams

WARNING:
SINGLE BOILER .......................................................................................................................66
1 direct heating network or existing non-communicative secondary system ...................................................... 66
VX100 VX101
3 regulated networks with or without DHW production ....................................................................................... 70
VX102 VX112
1 network regulated by a 3-channel valve, and DHW production ...................................................................... 76
VX110
Secondary networks with existing regulation communicating by LPB bus or 0...10V ........................................ 81
VX111
1 network regulated by a 3-channel valve, 1 direct circuit with 60°C low level .................................................. 84
VX113
1 network regulated by a three-channel valve, 1 circulation circuit with constant temperature and throughput 89
VX120
BOILERS IN A CASCADE CONFIGURATION .......................................................................93
1 direct network, no communication with the secondary network ...................................................................... 93
VX200 VX201
1 network regulated by a three-channel valve, DHW production or 1 direct circuit with constant temperature and throughput ... 99
VX210 VX220
Secondary networks regulated by external regulated communicating by LPB bus or 0...10V ......................... 107
VX211
3 or 4 networks regulated by a three-channel valve with or without DHW production ..................................... 113
VX202 VX212
14.09.2020
Function
Operation at constant temperature with variable flow and immediate
DHW production directly on heat plate exchanger without buffer tank
forbidden.
VARMAX - Installation, Use and Maintenance
Symbol
Balancing valve
Motorised 3 channel valve
Non-return valve
Pump
Drain valve
Temperature sensor
Function
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