---
title: Split-System Air Conditioners and Heat Pumps
…113 unchanged lines
```datasheet
−element: design-conditions
−type: group
−fields:
− - key: cooling_outdoor_db
− label: Summer outdoor design dry-bulb
− type: number
− unit: °F
− drawing_ref: true
− - key: heating_outdoor_db
− label: Winter outdoor design dry-bulb
− type: number
− unit: °F
− drawing_ref: true
− - key: indoor_cooling_setpoint
− label: Indoor cooling design setpoint
− type: number
− unit: °F
− default: 75
− - key: indoor_heating_setpoint
− label: Indoor heating design setpoint
− type: number
− unit: °F
− default: 70
− - key: site_elevation
− label: Site elevation
− type: number
− unit: ft
− default: 0
+element: design-conditions-cooling-outdoor-db
+label: Design conditions — Summer outdoor design dry-bulb
+type: text
+unit: °F
+drawing_ref: true
```
+```datasheet
+element: design-conditions-heating-outdoor-db
+label: Design conditions — Winter outdoor design dry-bulb
+type: text
+unit: °F
+drawing_ref: true
+```
+
+```datasheet
+element: design-conditions-indoor-cooling-setpoint
+label: Design conditions — Indoor cooling design setpoint
+type: text
+unit: °F
+default: 75
+```
+
+```datasheet
+element: design-conditions-indoor-heating-setpoint
+label: Design conditions — Indoor heating design setpoint
+type: text
+unit: °F
+default: 70
+```
+
+```datasheet
+element: design-conditions-site-elevation
+label: Design conditions — Site elevation
+type: text
+unit: ft
+default: 0
+```
+
## Design conditions shall be taken from the project basis-of-design and the unit schedule.
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```datasheet
element: system-type
−type: enum
+type: select
label: System type
options:
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```datasheet
element: arrangement
−type: enum
+type: select
label: System arrangement
options:
…18 unchanged lines
```datasheet
−element: rated-capacity
−type: group
+element: rated-capacity-cooling-capacity
+label: Rated capacity — Net cooling capacity
+type: text
+unit: Btu/h
drawing_ref: true
−fields:
− - key: cooling_capacity
− label: Net cooling capacity
− type: number
− unit: Btu/h
− - key: heating_capacity
− label: Net heating capacity at 47°F
− type: number
− unit: Btu/h
− - key: heating_capacity_low
− label: Net heating capacity at 17°F
− type: number
− unit: Btu/h
− - key: airflow
− label: Rated indoor airflow
− type: number
− unit: cfm
```
```datasheet
+element: rated-capacity-heating-capacity
+label: Rated capacity — Net heating capacity at 47°F
+type: text
+unit: Btu/h
+drawing_ref: true
+```
+
+```datasheet
+element: rated-capacity-heating-capacity-low
+label: Rated capacity — Net heating capacity at 17°F
+type: text
+unit: Btu/h
+drawing_ref: true
+```
+
+```datasheet
+element: rated-capacity-airflow
+label: Rated capacity — Rated indoor airflow
+type: text
+unit: cfm
+drawing_ref: true
+```
+
+```datasheet
element: compressor-modulation
−type: enum
+type: select
label: Compressor capacity control
options:
…22 unchanged lines
```datasheet
element: outdoor-coil-protection
−type: enum
+type: select
label: Outdoor coil corrosion protection
options:
…11 unchanged lines
```datasheet
element: outdoor-mounting
−type: enum
+type: select
label: Outdoor unit mounting
options:
…16 unchanged lines
```datasheet
element: low-ambient-cooling
−type: enum
+type: select
label: Low-ambient cooling control
options:
…13 unchanged lines
```datasheet
element: indoor-unit-type
−type: enum
+type: select
label: Indoor unit type
options:
…27 unchanged lines
```datasheet
element: condensate-protection
−type: enum
+type: select
label: Condensate overflow protection
options:
…20 unchanged lines
```datasheet
element: efficiency-tier
−type: enum
+type: select
label: Efficiency tier
options:
…4 unchanged lines
```datasheet
−element: rated-efficiency
−type: group
+element: rated-efficiency-seer2
+label: Rated efficiency — Cooling SEER2
+type: text
+unit: Btu/Wh
drawing_ref: true
−fields:
− - key: seer2
− label: Cooling SEER2
− type: number
− unit: Btu/Wh
− - key: eer2
− label: Cooling EER2
− type: number
− unit: Btu/Wh
− - key: hspf2
− label: Heating HSPF2
− type: number
− unit: Btu/Wh
```
+```datasheet
+element: rated-efficiency-eer2
+label: Rated efficiency — Cooling EER2
+type: text
+unit: Btu/Wh
+drawing_ref: true
+```
+
+```datasheet
+element: rated-efficiency-hspf2
+label: Rated efficiency — Heating HSPF2
+type: text
+unit: Btu/Wh
+drawing_ref: true
+```
+
### Equipment shall meet or exceed the scheduled SEER2, EER2, and HSPF2 tier.
…22 unchanged lines
```datasheet
element: auxiliary-heat
−type: enum
+type: select
label: Auxiliary / backup heat
options:
…7 unchanged lines
```datasheet
element: aux-heat-capacity
−type: number
+type: text
label: Electric auxiliary heat capacity
unit: kW
…24 unchanged lines
```datasheet
element: refrigerant
−type: enum
+type: select
label: Refrigerant
options:
…23 unchanged lines
```datasheet
−element: lineset
−type: group
+element: lineset-liquid-line-od
+label: Lineset — Liquid line OD
+type: text
+unit: in
drawing_ref: true
−fields:
− - key: liquid_line_od
− label: Liquid line OD
− type: number
− unit: in
− - key: suction_line_od
− label: Suction line OD
− type: number
− unit: in
− - key: total_equivalent_length
− label: Total equivalent length
− type: number
− unit: ft
− - key: vertical_separation
− label: Vertical separation (lift)
− type: number
− unit: ft
```
+```datasheet
+element: lineset-suction-line-od
+label: Lineset — Suction line OD
+type: text
+unit: in
+drawing_ref: true
+```
+
+```datasheet
+element: lineset-total-equivalent-length
+label: Lineset — Total equivalent length
+type: text
+unit: ft
+drawing_ref: true
+```
+
+```datasheet
+element: lineset-vertical-separation
+label: Lineset — Vertical separation (lift)
+type: text
+unit: ft
+drawing_ref: true
+```
+
### Refrigerant lines shall be clean, dehydrated, sealed copper sized and lengthed per the manufacturer.
…14 unchanged lines
```datasheet
element: control-interface
−type: enum
+type: select
label: Control interface
options:
…18 unchanged lines
```datasheet
−element: electrical
−type: group
+element: electrical-voltage-phase
+label: Electrical — Voltage / phase
+type: select
+options:
+ - 208-230V/1
+ - 208-230V/3
+ - 460V/3
+default: 208-230V/1
drawing_ref: true
−fields:
− - key: voltage_phase
− label: Voltage / phase
− type: enum
− options:
− - 208-230V/1
− - 208-230V/3
− - 460V/3
− default: 208-230V/1
− - key: mca
− label: Minimum circuit ampacity (MCA)
− type: number
− unit: A
− - key: mocp
− label: Maximum overcurrent protection (MOCP)
− type: number
− unit: A
```
+```datasheet
+element: electrical-mca
+label: Electrical — Minimum circuit ampacity (MCA)
+type: text
+unit: A
+drawing_ref: true
+```
+
+```datasheet
+element: electrical-mocp
+label: Electrical — Maximum overcurrent protection (MOCP)
+type: text
+unit: A
+drawing_ref: true
+```
+
## Branch-circuit conductors, overcurrent protection, and the disconnecting means shall be sized and installed to NFPA 70 using the MCA and MOCP marked on the equipment nameplate.
…49 unchanged lines
## Warranty registration, where required by the manufacturer to obtain the full term, shall be completed and submitted.