B. Munkhbayar BEEC/SCEA/MUST Air-Air heat pump B. Munkhbayar BEEC/SCEA/MUST
Type of heat pumps Air - Air Water – Water Brine – Water Air – Water
Air – air heat pump
Air – air heat pump Min. operation temperature -10oC (-15oC)
Operation mode of heat pumps
Design condition Outside temperature range -15 -20 -25 -30 -35 -37.8 Duration, h 3147 682 728 572 254 79
Installation
Installation
Monitoring
Operation Selected high set point temperature Low fan speed
Recommendation
Result (Second half of December 2017) Prototype 5#，application area 28㎡ Prototype 6#，application area 27㎡ Setting fan motor speed Outdoor temperature（℃） Indoor temperature（℃） Setting temperature（℃） Heating capacity （W） COP high -19 26 27 4589.7 2.02 -23 1.67 -28 24 4234.3 1.47 Setting fan motor speed Outdoor temperature（℃） Indoor temperature（℃） Setting temperature（℃） Heating capacity （W） COP low -22 29 28 5832.4 1.61 medium -24 26 4308.4 1.42 -25 4875.1