Instruction of SR81 Split Pressurized Solar Hot Water System
Page 32 of 59
PULS: Burst control via semiconductor relay
Adjustment for high-efficiency pump (HE pump)
• PSOL: PWM profile solar pump
• PHEA: PWM profile heating pump
• 0-10: Speed control via 0 - 10 V signal
Note:
1. More information about connection of high efficiency pump see the paragraph (3.5
Connection with high efficiency pump)
2. Minimum pump speed: under menu MIN1, the corresponding minimum pump speed is
allocated to output R1.
3. Maximum pump speed: under menu MAX1, the corresponding maximum pump speed is